[Equanda-svn-commit] SF.net SVN: equanda: [151] trunk/equanda-tapestry5/src/main/java/org/ equanda/tapestry5

[<tri...@us...>]

Revision: 151
          http://equanda.svn.sourceforge.net/equanda/?rev=151&view=rev
Author:   triathlon98
Date:     2007-11-14 00:17:56 -0800 (Wed, 14 Nov 2007)

Log Message:
-----------
EQ-81 DoubleTranslator which allows both comma and dot as decimal seperator

Modified Paths:
--------------
    trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/services/EquandaModule.java

Added Paths:
-----------
    trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/translators/
    trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/translators/DoubleTranslator.java

Modified: trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/services/EquandaModule.java
===================================================================
--- trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/services/EquandaModule.java	2007-11-13 17:09:35 UTC (rev 150)
+++ trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/services/EquandaModule.java	2007-11-14 08:17:56 UTC (rev 151)
@@ -24,8 +24,11 @@
 
 package org.equanda.tapestry5.services;
 
+import org.apache.tapestry.Translator;
 import org.apache.tapestry.ioc.Configuration;
+import org.apache.tapestry.ioc.MappedConfiguration;
 import org.apache.tapestry.services.LibraryMapping;
+import org.equanda.tapestry5.translators.DoubleTranslator;
 
 /**
  * Module definition
@@ -38,4 +41,18 @@
     {
         configuration.add( new LibraryMapping( "equanda", "org.equanda.tapestry5" ) );
     }
+
+    /**
+     * Contributes the following translators:
+     * <ul>
+     * <li>Double : which allows both both and comma as decimal seperator</li>
+     * </ul>
+     *
+     * @param configuration configuration to add to
+     */
+    public static void contributeTranslatorDefaultSource( MappedConfiguration<Class, Translator> configuration)
+    {
+        configuration.add(Double.class, new DoubleTranslator());
+    }
+
 }

Added: trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/translators/DoubleTranslator.java
===================================================================
--- trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/translators/DoubleTranslator.java	                        (rev 0)
+++ trunk/equanda-tapestry5/src/main/java/org/equanda/tapestry5/translators/DoubleTranslator.java	2007-11-14 08:17:56 UTC (rev 151)
@@ -0,0 +1,51 @@
+// Copyright 2007 The Apache Software Foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package org.equanda.tapestry5.translators;
+
+import org.apache.tapestry.Translator;
+import org.apache.tapestry.ValidationException;
+import org.apache.tapestry.ioc.Messages;
+import org.apache.tapestry.ioc.internal.util.InternalUtils;
+
+public class DoubleTranslator implements Translator<Double>
+{
+    /**
+     * Parses blank values to null, otherwise parses the client value to a double
+     *
+     * @throws ValidationException if the clientValue can not be parsed
+     */
+    public Double parseClient(String clientValue, Messages messages) throws ValidationException
+    {
+        if (InternalUtils.isBlank(clientValue))
+            return null;
+
+        try
+        {
+            return new Double(clientValue.replace(',','.').trim());
+        }
+        catch (NumberFormatException ex)
+        {
+            throw new ValidationException(messages.format("number-format-exception", clientValue));
+        }
+    }
+
+    /**
+     * Converts null to the blank string, non-null to a string representation.
+     */
+    public String toClient(Double value)
+    {
+        return value == null ? "" : value.toString();
+    }
+}


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